fi.helsinki.opintoni.config.CoursePageConfiguration.java Source code

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Here is the source code for fi.helsinki.opintoni.config.CoursePageConfiguration.java

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/*
 * This file is part of MystudiesMyteaching application.
 *
 * MystudiesMyteaching application is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * MystudiesMyteaching application is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with MystudiesMyteaching application.  If not, see <http://www.gnu.org/licenses/>.
 */

package fi.helsinki.opintoni.config;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.collect.Lists;
import fi.helsinki.opintoni.integration.coursepage.CoursePageClient;
import fi.helsinki.opintoni.integration.coursepage.CoursePageMockClient;
import fi.helsinki.opintoni.integration.coursepage.CoursePageRestClient;
import fi.helsinki.opintoni.integration.interceptor.LoggingInterceptor;
import fi.helsinki.opintoni.util.NamedDelegatesProxy;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.client.RestTemplate;

import java.util.List;

@Configuration
public class CoursePageConfiguration {

    @Autowired
    private AppConfiguration appConfiguration;

    @Autowired
    private ObjectMapper objectMapper;

    @Bean
    public RestTemplate coursePageRestTemplate() {
        RestTemplate restTemplate = new RestTemplate(clientHttpRequestFactory());
        restTemplate.setMessageConverters(getConverters());
        restTemplate.setInterceptors(Lists.newArrayList(new LoggingInterceptor()));
        return restTemplate;
    }

    private List<HttpMessageConverter<?>> getConverters() {
        final MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        converter.setObjectMapper(objectMapper);
        return Lists.newArrayList(converter);
    }

    private ClientHttpRequestFactory clientHttpRequestFactory() {
        HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory();
        factory.setReadTimeout(appConfiguration.getInteger("httpClient.readTimeout"));
        factory.setConnectTimeout(appConfiguration.getInteger("httpClient.connectTimeout"));

        PoolingHttpClientConnectionManager poolingHttpClientConnectionManager = new PoolingHttpClientConnectionManager();
        poolingHttpClientConnectionManager.setMaxTotal(appConfiguration.getInteger("httpClient.maxTotal"));
        poolingHttpClientConnectionManager
                .setDefaultMaxPerRoute(appConfiguration.getInteger("httpClient.defaultMaxPerRoute"));

        CloseableHttpClient httpClient = HttpClientBuilder.create()
                .setConnectionManager(poolingHttpClientConnectionManager).build();

        factory.setHttpClient(httpClient);

        return factory;
    }

    @Bean
    public CoursePageClient coursePageMockClient() {
        return new CoursePageMockClient(objectMapper);
    }

    @Bean
    public CoursePageClient coursePageRestClient() {
        return new CoursePageRestClient(appConfiguration.get("coursePage.base.url"), coursePageRestTemplate());
    }

    @Bean
    public CoursePageClient coursePageClient() {
        return NamedDelegatesProxy
                .builder(CoursePageClient.class, () -> appConfiguration.get("coursePage.client.implementation"))
                .with("rest", coursePageRestClient()).with("mock", coursePageMockClient()).build();
    }
}